<div id="w" class="easyui-window" title="<b>Modal Window</b><span>这里是左副标题</span>" data-options="modal:true,cls:'theme-title-lines-red',border:false" style="width:500px;height:200px;padding:10px;">
红色标题线主题  data-options="cls:'theme-title-lines-red',border:false"
</div>